* {
    margin: 0;
    padding: 0;
}

* {
    font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', Arial, sans-serif;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfix:after {
    content: '';
    display: block;
    clear: both;
    height: 0;
}
ul{
	list-style-type: none;
}
a{
	text-decoration:none;
}